Name | vanadyl sulfate |
Synonyms | ci77940 C.I. 77940 Vanadyl sulfat vanadyl sulfate oxosulfato-vanadiu oxysulfato-vanadiu vanadium oxysulfate Oxysulfato vanadium (IV) oxo(sulfato(2-)-o)-vanadiu oxo[sulfato(2-)-o]-vanadiu oxo[sulfato(2-)-O]-Vanadium Vanadium (IV) sulfate oxide oxo(sulfato(2-)-O)-Vanadium vanadiumoxidesulfate(vo(so4)) VANADIUM OXYSULFATE (VANADYL SULFATE) |
CAS | 27774-13-6 |
EINECS | 248-652-7 |
InChI | InChI=1/H2O4S.2H2O.V/c1-5(2,3)4;;;/h(H2,1,2,3,4);2*1H2;/q;;;+3/p-2 |
Molecular Formula | O5SV |
Molar Mass | 163 |
Density | 2.06[at 20℃] |
Melting Point | 105°C |
Water Solubility | soluble |
Appearance | Solid |
Color | Blue |
Stability | Stable. Incompatible with strong oxidizing agents. |
Physical and Chemical Properties | Vanadyl sulfate is a blue crystalline powder, in addition to vanadyl sulfate dihydrate, and vanadyl sulfate trihydrate, insoluble in water, which can form a double salt with ammonium sulfate or alkali metal sulfate. |
Use | Used as mordant, catalyst and reducing agent for fabrics |
Risk Codes | R22 - Harmful if swallowed R36/38 - Irritating to eyes and skin. |
Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. |
UN IDs | UN 2931/9152 |
EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
properties | appearance is blue crystal, soluble in water, good fluidity, easy deliquescence in humid air. |
use | used for mordant, catalytic reducing agent and colorant for ceramics and glass. Used as mordant, catalyst and reducing agent for fabrics Used as mordant, catalyst and reducing agent, etc. |
production method | cathodic reduction method can be prepared by cathodic reduction of vanadium pentoxide dissolved in sulfuric acid in sulfur dioxide solution. |
category | toxic substances |
toxicity classification | highly toxic |
acute toxicity | abdominal injection-mouse LD50: 114 mg/kg |
flammability hazard characteristics | non-combustible; toxic vanadium and sulfur oxide smoke from the fire site |
storage and transportation characteristics | warehouse ventilation and low temperature drying; Separate storage and transportation from acids and food |
fire extinguishing agent | water |
occupational standard | TLV-TWA0.05 mg (vanadium pentoxide)/m3; STEL0.25 mg (vanadium pentoxide)/m3 |
toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |